Home / 115,530.80-173,296.20-108,532.40

Finding the Fourth Proportional to 115,530.80, 173,296.20 and 108,532.40

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Solution

The fourth proportional to 115,530.80, 173,296.20 and 108,532.40 is: 162,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,530.80 : 173,296.20 = 108,532.40 : x
  2. Step 2: Convert to fraction form
    115,530.80/173,296.20 = 108,532.40/x
  3. Step 3: Cross multiply
    115,530.80x = 173,296.20 × 108,532.40
  4. Step 4: Simplify right side
    115,530.80x = 18,808,252,496.88
  5. Step 5: Solve for x
    x = 18,808,252,496.88/115,530.80
  6. Step 6: Final answer
    x = 162,798.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.